Gutiérrez J. Hermann von Helmholtz, Ewald Hering and color vision: a controversy over styles of reasoning?. Manuscrito - Rev. Int. Fil. [Internet]. 2021 May 15 [cited 2024 Aug. 16];44(1):37-9. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/manuscrito/article/view/8665644